Display panel or portion thereof with a transitional graphical user interface



FIG. 1 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a first image in a sequence of a design;

FIG. 2 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a second image in the sequence of the design;

FIG. 3 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a third image in the sequence of the design;

FIG. 4 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a fourth image in the sequence of the design;

FIG. 5 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a fifth image in the sequence of the design;

FIG. 6 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a sixth image in the sequence of the design;

FIG. 7 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a seventh image in the sequence of the design;

FIG. 8 is a front view of a display panel or portion thereof with a transitional graphical user interface showing an eighth image in the sequence of the design;

FIG. 9 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a ninth image in the sequence of the design;

FIG. 10 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a tenth image in the sequence of the design;

FIG. 11 is a front view of a display panel or portion thereof with a transitional graphical user interface showing an eleventh image in the sequence of the design;

FIG. 12 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a twelfth image in the sequence of the design;

FIG. 13 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a thirteenth image in the sequence of the design;

FIG. 14 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a fourteenth image in the sequence of the design; and,

FIG. 15 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a fifteenth image in the sequence of the design.

The appearance of the transitional graphical user interface transitions sequentially between the images shown in FIGS. 1-15. The process or period in which one image transitions to another forms no part of the claimed design.

The broken line showing of a display panel or portion thereof with a transitional graphical user interface is included for the purpose of illustrating portions of the article and forms no part of the claimed design. 

CLAIM The ornamental design for a display panel or portion thereof with a transitional graphical user interface, as shown and described. 